No Sound in Ubuntu 11.10 (64 bit)

Hi,
Tot no sound in my 11.10(64bit), I have CA0106 sound blaster sound card...it was working fine before two days..i have dual OS (win7) and it works fine in windows 7...i have done all the troubleshooting in terminal and it detects the sound card..still no sound...am pretty gloomed guys..please help me...i like ubuntu,,,i have upgradeed all alsa drivers and everything...
please help me out....looking forward positively.

Dang eh? okay, the only thing I can think of is go to terminal and type in gstreamer-properties. That will give you access to all your sound inputs? and such. Maybe try to change from custom to oss or default to pulse. You may have to try and test it. It lets you do all that from there anyway. Good luck.

Still no sign of sound ...man!!!!...now I remember .at first, I did on "swith user" option and sound gone, now muted the system sound (not apps) and restarted thus again gone...seems I need to search for my OS cd...:)....anyway thanks, man for your real quick replies///keep at it...

tirant : ya man!!!! still exist. I just reinstalled 11.10. What to do? I like ubuntu very much...lol...before that i tried alsamixer also...no fix...it's a real bug. For the second time I'm reinstalling ubuntu. Thank god I have a secondary OS...:)...still we cant fully trust ubuntu...what do you guys say?

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